Physics, 13.02.2020 05:16 KittyLitty
A battery with an emf of 12.0 V shows a terminal voltage of 11.1V when operating in a circuit with two lightbulbs, each rated at 4.0 W (at 12.0 V), which are connected in parallel. What is the batterys internal resistance?
Answers: 3
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According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?
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The energy released by a nuclear fusion reaction is produced when
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Calculate the first and second velocities of the car with four washers attached to the pulley, using the formulas v1 = 0.25 m / t1 , and v2 = 0.25 m / (t2 – t1) where t1 and t2 are the average times the car took to reach the 0.25 and the 0.50 meter marks. record these velocities, to two decimal places, in table e.
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The illuminance of a surface varies inversely with the square of its distance from the light source. if the illuminance of a surface is 120 lumens per square meter when its distance from a certain light source is 6 meters, by how many meters should the distance of the surface from the source be increased to reduce its illuminance to 30 lumens per square meter?
Answers: 3
A battery with an emf of 12.0 V shows a terminal voltage of 11.1V when operating in a circuit with t...
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